NEW YORK TIMES BESTSELLER · OPTIONED FOR NETFLIX BY A PRODUCER OF THE BATMANGOODREADS CHOICE AWARD WINNER“I loved it." —Stephen KingFrom Edgar Award-finalist Jason Rekulak comes a wildly inventive spin on the supernatural thriller, for fans of Stranger Things and Riley Sager, about a woman working as a nanny for a young boy with strange and disturbing secrets.Mallory Quinn is fresh out of rehab when she takes a job as a babysitter for Ted and Caroline Maxwell. She is to look after their five-yea...